CE Tech Tips — August 2019

CE Tech Tips — August 2019

Due to the danger and complexity of electronic equipment repair, the following technical tip is intended for professional reference only. Please refer to manufacturer’s recommendations as Encompass does not guarantee the accuracy, reliability or safety of this information. 

Hitachi TV, 46UX12B
Reason for Service: Set shuts down.
Solution: Replaced Q401 & D441.

Panasonic TV, TC–P50X5
Reason for Service: Dead set, no power.
Solution: Replacing U203 on foil side of board fixed set.

Pioneer Pro150FD TV
Reason for Service:  Dead, two blink error.
Solution: Replaced power supply.

Samsung TV, PN64E533D2FXZA
Reason for Service:  Dead set, main fuse was blown.
Solution: Replaced shorted QS802, QS804 on power board.

Samsung TV, PN64E533D2FXZA
Reason for Service: Dead set.
Solution: Found two bad FETs: QS802 & QS804. Fuse also blown: F801.

Sanyo TV, DP50749-01
Reason for Service: Dead set.
Solution: Found shorted IC301, STR-W6252 and open fuse, 302, 1A. Replacing both fixed set.

Visio TV, VP50HDTV10A
Reason for Service: No picture, no prime but has audio.
Solution: Found open resistor, R135, on Y-SUS.  1ohm/5W ceramic.

Westinghouse TV, TX-42F430S
Reason for Service: Won’t turn on, but standby okay.
Solution: Replaced cap TC51 in power supply, 470uF/16V.

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